Your siding installation isn’t just about aesthetics. It’s also about keeping your home sealed off, properly insulated, and shielded from Mother Nature’s harshest elements: wind, hail, water, ice, snow, and sun. At O’Sullivan Installs, we understand that good replacement siding has to perform a variety of functions, and we offer the highest-quality products to protect your home!
Of all the most common and popular siding options across NH and MA, vinyl tends to be the most budget-friendly material. Because Alside vinyl siding never peels, rots, or requires repainting, it’s a long-term investment with minimal upkeep required.Learn More
Engineered Wood Siding
Like the name suggests, engineered wood looks like natural woodgrain but offers the many superior benefits of a specially crafted composite. You can enjoy the warmth and sophistication of wood—only in a material that’s much stronger, safer, and more pest resistant.Learn More
Limited Time Offers
Our Five-Star Siding Replacement Options
We Focus on Your Ideas
We may be siding experts, but you’re the expert of your home! We’ll listen to you and put your wants and needs first.
We’re Award Winning
We’ve earned a number of major awards since 2008, including the Angie’s List “Super Service Award” for 10+ years in a row.
We Offer Top Warranties
Thanks to our highly acclaimed brand partners, we’re able to offer lifetime manufacturer warranties on our siding.
View Our Portfolio of Vinyl and Engineered Wood Siding Installations
Whichever house siding material you prefer, you can always expect personalized curb appeal from O’Sullivan Installs. See some examples of our stunning siding replacement projects below.View More